This document offers guidance to those involved with the design, construction, and operation of hydroelectric generating plants. In addition, general plant design, fire protection systems, and identification and protection of hazards are also covered.

The revised 2010 edition includes new chapter on a fire protection design process. The Spanish NFPA 851 also recognizes the use of compressed air foam systems and fast depressurization systems and provide recommendations on the use of these systems. (Softbound, 27 pp., 2010 Spanish Edition)